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[Preprint]. 2021 Jul 19:2021.07.16.452756. [Version 1] doi: 10.1101/2021.07.16.452756

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Figure 1: — Scatterplots showing the average Cq of RT-qPCR viral gene calls for corresponding heat-inactivated viral spike-in over seven days. Viral spike-in concentrations reported as GE’s from ddPCR. Linear regressions of average Cq on days since inoculation per spike-in were overlaid on the measured data. Average decay slope (m-bar) reported alongside each surface type.